The utility model provides a
microcomputer password disc brake disc lock, which comprises a lock disc, a
locking plate, a first
locking plate, a second
locking plate, a first locking plate, a second locking plate, a first locking plate and a second locking plate, and the bottom of one end of the locking plate is provided with a clamping groove along the length direction; the spring bolt is vertically arranged in the first cavity, a first groove is formed in the side, facing the second cavity, of the spring bolt, the top of the spring bolt is connected with a locking
handle, and the locking
handle penetrates out of the lock disc from the top of the lock disc; the electromagnetic coils are arranged in the length direction of the spring bolt at intervals, a locking clamp iron is arranged between the electromagnetic coils, one end, away from the first groove, of the locking clamp iron is sleeved with a first spring, one end of the first spring is fixed to the electromagnetic coils, and the other end of the first spring is fixed to the locking clamp iron. The
electromagnet is electrically connected with a
microcomputer arranged in the second cavity, and the
microcomputer is electrically connected with the
electromagnet. After the spring bolt extends out to be locked, the locking clamping iron is controlled by the
electromagnet to be clamped into the groove of the spring bolt, the spring bolt can be prevented from being pried open, unlocking is controlled by inputting a
password through the operation keyboard, and safety is high.